Use 4 unicorn worker processes instead of 3
Use 4 unicorn worker processes instead of 3

voyera/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,jasnow/adopt-a-hydrant,CostantinB/adopt-a-hydrant,jasnow/adopt-a-hydrant,CostantinB/adopt-a-hydrant,baraka101/dar-adopt-a-mtaro,codeforamerica/adopt-a-hydrant,akintoey/adopt-a-hydrant,akintoey/adopt-a-hydrant,CostantinB/adopt-a-hydrant,codefornigeria/adopt-a-hydrant,jasnow/adopt-a-hydrant,Stackato-Apps/adopt-a-hydrant,akintoey/adopt-a-hydrant,codefornigeria/adopt-a-hydrant,billyfung/van-racks,friendlycode/adopt-a-hydrant,Stackato-Apps/adopt-a-hydrant,baraka101/dar-adopt-a-mtaro,jamiekelly/adopt-a-hydrant,friendlycode/adopt-a-hydrant,voyera/adopt-a-hydrant,jamiekelly/adopt-a-hydrant,codeforamerica/adopt-a-hydrant,billyfung/van-racks,friendlycode/adopt-a-hydrant,baraka101/dar-adopt-a-mtaro,jamiekelly/adopt-a-hydrant,codefornigeria/adopt-a-hydrant,voyera/adopt-a-hydrant,billyfung/van-racks,Stackato-Apps/adopt-a-hydrant